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Halstead SK, Gourlay DS, Penderis J, Bianchi E, Dondi M, Wessmann A, Musteata M, Le Chevoir M, Martinez-Anton L, Bhatti SFM, Volk H, Mateo I, Tipold A, Ives E, Pakozdy A, Gutierrez-Quintana R, Brocal J, Whitehead Z, Granger N, Pazzi P, Harcourt-Brown T, José-López R, Rupp S, Schenk HC, Smith P, Gandini G, Menchetti M, Mortera-Balsa V, Rusbridge C, Tauro A, Cozzi F, Deutschland M, Tirrito F, Freeman P, Lowrie M, Jackson MR, Willison HJ, Rupp A. Serum anti-GM2 and anti-GalNAc-GD1a IgG antibodies are biomarkers for acute canine polyradiculoneuritis. J Small Anim Pract 2022; 63:104-112. [PMID: 34791652 DOI: 10.1111/jsap.13439] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 08/13/2021] [Accepted: 09/19/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVES A previous single-country pilot study indicated serum anti-GM2 and anti-GA1 anti-glycolipid antibodies as potential biomarkers for acute canine polyradiculoneuritis. This study aims to validate these findings in a large geographically heterogenous cohort. MATERIALS AND METHODS Sera from 175 dogs clinically diagnosed with acute canine polyradiculoneuritis, 112 dogs with other peripheral nerve, cranial nerve or neuromuscular disorders and 226 neurologically normal dogs were screened for anti-glycolipid antibodies against 11 common glycolipid targets to determine the immunoglobulin G anti-glycolipid antibodies with the highest combined sensitivity and specificity for acute canine polyradiculoneuritis. RESULTS Anti-GM2 anti-glycolipid antibodies reached the highest combined sensitivity and specificity (sensitivity: 65.1%, 95% confidence interval 57.6 to 72.2%; specificity: 90.2%, 95% confidence interval 83.1 to 95.0%), followed by anti-GalNAc-GD1a anti-glycolipid antibodies (sensitivity: 61.7%, 95% confidence interval 54.1 to 68.9%; specificity: 89.3%, 95% confidence interval 82.0 to 94.3%) and these anti-glycolipid antibodies were frequently present concomitantly. Anti-GA1 anti-glycolipid antibodies were detected in both acute canine polyradiculoneuritis and control animals. Both for anti-GM2 and anti-GalNAc-GD1a anti-glycolipid antibodies, sex was found a significantly associated factor with a female to male odds ratio of 2.55 (1.27 to 5.31) and 3.00 (1.22 to 7.89), respectively. Anti-GalNAc-GD1a anti-glycolipid antibodies were more commonly observed in dogs unable to walk (OR 4.56, 1.56 to 14.87). CLINICAL SIGNIFICANCE Anti-GM2 and anti-GalNAc-GD1a immunoglobulin G anti-glycolipid antibodies represent serum biomarkers for acute canine polyradiculoneuritis.
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Affiliation(s)
- S K Halstead
- Neuroimmunology Laboratory, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, G12 8TA, UK
| | - D S Gourlay
- Neuroimmunology Laboratory, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, G12 8TA, UK
| | - J Penderis
- Vet Extra Neurology, Broadleys Veterinary Hospital, Stirling, FK7 7LE, UK
| | - E Bianchi
- Department of Veterinary Science, University of Parma, 43126, Parma, Italy
| | - M Dondi
- Department of Veterinary Science, University of Parma, 43126, Parma, Italy
| | - A Wessmann
- Neurology and Neurosurgery Service, Pride Veterinary Centre, Pride Park, Derby, DE24 8HX, UK
| | - M Musteata
- Neurology Service, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Iași, 700489, Romania
| | - M Le Chevoir
- Department of Neurology and Neurosurgery, University of Melbourne, Werribee, Victoria, 3030, Australia
| | - L Martinez-Anton
- Chestergates Veterinary Specialists, Telford Court, Chestergates, CH1 6LT, UK
| | - S F M Bhatti
- Small Animal Department, Small Animal Teaching Hospital, Faculty of Veterinary Medicine, Ghent University, 9820, Merelbeke, Belgium
| | - H Volk
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559, Hannover, Germany
| | - I Mateo
- Servicio de Neurología, Hospital Clínico Veterinario - Universidad Alfonso X el Sabio, Madrid, Spain
| | - A Tipold
- Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hannover, 30559, Hannover, Germany
| | - E Ives
- Anderson Moores Veterinary Specialists, Hursley, Winchester, SO21 2LL, UK
| | - A Pakozdy
- University Hospital for Small Animals, University of Veterinary Medicine, Vienna, Austria
| | | | - J Brocal
- Wear Referrals Veterinary Hospital, Bradbury, Stockton-on-Tees, TS21 2ES, UK
| | - Z Whitehead
- Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, 0110, South Africa
| | - N Granger
- The Royal Veterinary College, University of London, Hatfield, Hertfordshire, UK.,CVS Referrals, Bristol Veterinary Specialists at Highcroft, Bristol, UK
| | - P Pazzi
- Department of Companion Animal Clinical Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, 0110, South Africa
| | - T Harcourt-Brown
- Langford Veterinary Services, School of Veterinary Sciences, University of Bristol, Lower Langford, BS40 5DU, UK
| | - R José-López
- School of Veterinary Medicine, University of Glasgow, Glasgow, G61 1QH, UK
| | - S Rupp
- Tierklinik Hofheim, 65719, Hofheim, Germany
| | - H C Schenk
- Tierklinik Lüneburg, 21337, Lüneburg, Germany
| | - P Smith
- Hamilton Specialist Referrals, Cressex Business Park, High Wycombe, HP12 3SD, UK
| | - G Gandini
- Department of Veterinary Medical Sciences, University of Bologna, 40064, Ozzano dell'Emilia, Italy
| | - M Menchetti
- Neurology and Neurosurgery Division, San Marco Veterinary Clinic, Veggiano, Italy
| | - V Mortera-Balsa
- North Downs Specialist Referrals, 3&4 The Brewerstreet Dairy Business Park, Bletchingley, Surrey, RH1 4QP, UK
| | - C Rusbridge
- Neurology Section, Fitzpatrick Referrals, Godalming, Surrey, GU2 7AL, UK.,School of Veterinary Medicine, Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, GU2 7AL, UK
| | - A Tauro
- Chestergates Veterinary Specialists, Telford Court, Chestergates, CH1 6LT, UK
| | - F Cozzi
- Clinica Neurologica Veterinaria, 20148, Milan, Italy
| | | | - F Tirrito
- Clinica Neurologica Veterinaria, 20148, Milan, Italy
| | - P Freeman
- The Queen's Veterinary School Hospital, Cambridge, CB3 0ES, UK
| | - M Lowrie
- Dovecote Veterinary Hospital, Castle Donington, Derby, DE74 2LJ, UK
| | - M R Jackson
- Institute of Cancer Sciences, University of Glasgow, Bearsden, G61 1QH, UK
| | - H J Willison
- Neuroimmunology Laboratory, Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, G12 8TA, UK
| | - A Rupp
- School of Veterinary Medicine, University of Glasgow, Glasgow, G61 1QH, UK
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Brocal J, De Decker S, José-López R, Manzanilla EG, Penderis J, Stalin C, Bertram S, Schoenebeck JJ, Rusbridge C, Fitzpatrick N, Gutierrez-Quintana R. C7 vertebra homeotic transformation in domestic dogs - are Pug dogs breaking mammalian evolutionary constraints? J Anat 2018; 233:255-265. [PMID: 29761492 DOI: 10.1111/joa.12822] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2018] [Indexed: 12/20/2022] Open
Abstract
The number of cervical vertebrae in mammals is almost constant at seven, regardless of their neck length, implying that there is selection against variation in this number. Homebox (Hox) genes are involved in this evolutionary mammalian conservation, and homeotic transformation of cervical into thoracic vertebrae (cervical ribs) is a common phenotypic abnormality when Hox gene expression is altered. This relatively benign phenotypic change can be associated with fatal traits in humans. Mutations in genes upstream of Hox, inbreeding and stressors during organogenesis can also cause cervical ribs. The aim of this study was to describe the prevalence of cervical ribs in a large group of domestic dogs of different breeds, and explore a possible relation with other congenital vertebral malformations (CVMs) in the breed with the highest prevalence of cervical ribs. By phenotyping we hoped to give clues as to the underlying genetic causes. Twenty computed tomography studies from at least two breeds belonging to each of the nine groups recognized by the Federation Cynologique Internationale, including all the brachycephalic 'screw-tailed' breeds that are known to be overrepresented for CVMs, were reviewed. The Pug dog was more affected by cervical ribs than any other breed (46%; P < 0.001), and was selected for further analysis. No association was found between the presence of cervical ribs and vertebral body formation defect, bifid spinous process, caudal articular process hypoplasia/aplasia and an abnormal sacrum, which may infer they have a different aetiopathogenesis. However, Pug dogs with cervical ribs were more likely to have a transitional thoraco-lumbar vertebra (P = 0.041) and a pre-sacral vertebral count of 26 (P < 0.001). Higher C7/T1 dorsal spinous processes ratios were associated with the presence of cervical ribs (P < 0.001), supporting this is a true homeotic transformation. Relaxation of the stabilizing selection has likely occurred, and the Pug dog appears to be a good naturally occurring model to further investigate the aetiology of cervical ribs, other congenital vertebral anomalies and numerical alterations.
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Affiliation(s)
- J Brocal
- School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - S De Decker
- Department of Veterinary Clinical Science and Services, The Royal Veterinary College, University of London, North Mymms, Hertfordshire, UK
| | - R José-López
- School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - E G Manzanilla
- Teagasc Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork, Ireland
| | - J Penderis
- Vet-Extra Neurology, Broadleys Veterinary Hospital, Stirling, UK
| | - C Stalin
- School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - S Bertram
- Department of Veterinary Clinical Science and Services, The Royal Veterinary College, University of London, North Mymms, Hertfordshire, UK
| | - J J Schoenebeck
- Royal (Dick) School of Veterinary Studies and Roslin Institute, University of Edinburgh, Easter Bush, Midlothian, UK
| | - C Rusbridge
- Fitzpatrick Referrals, Eashing, Surrey, UK.,School of Veterinary Medicine, Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, UK
| | | | - R Gutierrez-Quintana
- School of Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
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Lazzerini K, Gutierrez-Quintana R, José-López R, McConnell F, Gonçalves R, McMurrough J, De Decker S, Muir C, Priestnall SL, Mari L, Stabile F, De Risio L, Loeffler C, Tauro A, Rusbridge C, Rodenas S, Añor S, de la Fuente C, Fischer A, Bruehschwein A, Penderis J, Guevar J. Clinical Features, Imaging Characteristics, and Long-term Outcome of Dogs with Cranial Meningocele or Meningoencephalocele. J Vet Intern Med 2017; 31:505-512. [PMID: 28247440 PMCID: PMC5354015 DOI: 10.1111/jvim.14638] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 10/27/2016] [Accepted: 11/21/2016] [Indexed: 11/28/2022] Open
Abstract
Background The term meningoencephalocele (MEC) describes a herniation of cerebral tissue and meninges through a defect in the cranium, whereas a meningocele (MC) is a herniation of the meninges alone. Hypothesis/Objectives To describe the clinical features, magnetic resonance imaging (MRI) characteristics, and outcomes of dogs with cranial MC and MEC. Animals Twenty‐two client‐owned dogs diagnosed with cranial MC or MEC. Methods Multicentric retrospective descriptive study. Clinical records of 13 institutions were reviewed. Signalment, clinical history, neurologic findings and MRI characteristics as well as treatment and outcome were recorded and evaluated. Results Most affected dogs were presented at a young age (median, 6.5 months; range, 1 month – 8 years). The most common presenting complaints were seizures and behavioral abnormalities. Intranasal MEC was more common than parietal MC. Magnetic resonance imaging identified meningeal enhancement of the protruded tissue in 77% of the cases. Porencephaly was seen in all cases with parietal MC. Cerebrospinal fluid (CSF) analysis identified mild abnormalities in 4 of 11 cases. Surgery was not performed in any affected dog. Seventeen patients were treated medically, and seizures were adequately controlled with anti‐epileptic drugs in 10 dogs. Dogs with intranasal MEC and mild neurologic signs had a fair prognosis with medical treatment. Conclusion and clinical importance Although uncommon, MC and MEC should be considered as a differential diagnosis in young dogs presenting with seizures or alterations in behavior. Medical treatment is a valid option with a fair prognosis when the neurologic signs are mild.
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Affiliation(s)
- K Lazzerini
- Small Animal Hospital, University of Glasgow, Glasgow, UK
| | | | - R José-López
- Small Animal Hospital, University of Glasgow, Glasgow, UK
| | - F McConnell
- Small Animal Teaching Hospital, University of Liverpool, Liverpool, UK
| | - R Gonçalves
- Small Animal Teaching Hospital, University of Liverpool, Liverpool, UK
| | | | - S De Decker
- Queen Mother Hospital for Animals, Royal Veterinary College, London, UK
| | - C Muir
- Pathology and Pathogen Biology, Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA, UK
| | - S L Priestnall
- Pathology and Pathogen Biology, Royal Veterinary College, Hawkshead Lane, Hatfield, Hertfordshire, AL9 7TA, UK
| | - L Mari
- Animal Health Trust, Newmarket, UK
| | | | | | - C Loeffler
- Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
| | - A Tauro
- Fitzpatrick Referrals, Eashing, Surrey, UK
| | | | - S Rodenas
- Hospital Veterinario Valencia Sur, Valencia, Spain
| | - S Añor
- Fundació Hospital Clínic Veterinari, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - C de la Fuente
- Fundació Hospital Clínic Veterinari, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - A Fischer
- Ludwig-Maximilian University Munich, Munchen, Germany
| | | | - J Penderis
- Vet Extra Neurology, Broadleys Veterinary Hospital, Stirling, UK
| | - J Guevar
- Small Animal Hospital, University of Glasgow, Glasgow, UK
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